/*  libFLAC - Free Lossless Audio Codec library
    Copyright (C) 2012-2016  Xiph.org Foundation

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    - Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.

    - Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

    - Neither the name of the Xiph.org Foundation nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/*  This is the preferred location of all CPP hackery to make $random_compiler
    work like something approaching a C99 (or maybe more accurately GNU99)
    compiler.

    It is assumed that this header will be included after "config.h".
*/

#ifndef FLAC__SHARE__COMPAT_H
#define FLAC__SHARE__COMPAT_H

#if defined _WIN32 && !defined __CYGWIN__
/* where MSVC puts unlink() */
# include <io.h>
#else
# include <unistd.h>
#endif

#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__
#include <sys/types.h> /* for off_t */
#define FLAC__off_t __int64 /* use this instead of off_t to fix the 2 GB limit */
#if !defined __MINGW32__
#define fseeko _fseeki64
#define ftello _ftelli64
#else /* MinGW */
#if !defined(HAVE_FSEEKO)
#define fseeko fseeko64
#define ftello ftello64
#endif
#endif
#else
#define FLAC__off_t off_t
#endif

#if HAVE_INTTYPES_H
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#endif

#if defined(_MSC_VER)
#define strtoll _strtoi64
#define strtoull _strtoui64
#endif

#if defined(_MSC_VER) && !defined(__cplusplus)
#define inline __inline
#endif

#if defined __INTEL_COMPILER || (defined _MSC_VER && defined _WIN64)
/* MSVS generates VERY slow 32-bit code with __restrict */
#define flac_restrict __restrict
#elif defined __GNUC__
#define flac_restrict __restrict__
#else
#define flac_restrict
#endif

#define FLAC__U64L(x) x##ULL

#if defined _MSC_VER || defined __MINGW32__
#define FLAC__STRCASECMP _stricmp
#define FLAC__STRNCASECMP _strnicmp
#elif defined __BORLANDC__
#define FLAC__STRCASECMP stricmp
#define FLAC__STRNCASECMP strnicmp
#else
#define FLAC__STRCASECMP strcasecmp
#define FLAC__STRNCASECMP strncasecmp
#endif

#if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
#include <io.h> /* for _setmode(), chmod() */
#include <fcntl.h> /* for _O_BINARY */
#else
#include <unistd.h> /* for chown(), unlink() */
#endif

#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__
#if defined __BORLANDC__
#include <utime.h> /* for utime() */
#else
#include <sys/utime.h> /* for utime() */
#endif
#else
#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L)
#include <fcntl.h>
#else
#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */
#include <utime.h> /* for utime() */
#endif
#endif

#if defined _MSC_VER
#  if _MSC_VER >= 1800
#    include <inttypes.h>
#  elif _MSC_VER >= 1600
/* Visual Studio 2010 has decent C99 support */
#    include <stdint.h>
#    define PRIu64 "llu"
#    define PRId64 "lld"
#    define PRIx64 "llx"
#  else
#    include <limits.h>
#    ifndef UINT32_MAX
#      define UINT32_MAX _UI32_MAX
#    endif
#    define PRIu64 "I64u"
#    define PRId64 "I64d"
#    define PRIx64 "I64x"
#  endif
#endif /* defined _MSC_VER */

#ifdef _WIN32
/* All char* strings are in UTF-8 format. Added to support Unicode files on Windows */

#include "share/win_utf8_io.h"
#define flac_printf printf_utf8
#define flac_fprintf fprintf_utf8
#define flac_vfprintf vfprintf_utf8

#include "share/windows_unicode_filenames.h"
#define flac_fopen flac_internal_fopen_utf8
#define flac_chmod flac_internal_chmod_utf8
#define flac_utime flac_internal_utime_utf8
#define flac_unlink flac_internal_unlink_utf8
#define flac_rename flac_internal_rename_utf8
#define flac_stat flac_internal_stat64_utf8

#else

#define flac_printf printf
#define flac_fprintf fprintf
#define flac_vfprintf vfprintf

#define flac_fopen fopen
#define flac_chmod chmod
#define flac_unlink unlink
#define flac_rename rename
#define flac_stat stat

#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L)
#define flac_utime(a, b) utimensat (AT_FDCWD, a, *b, 0)
#else
#define flac_utime utime
#endif
#endif

#ifdef _WIN32
#define flac_stat_s __stat64 /* stat struct */
#define flac_fstat _fstat64
#else
#define flac_stat_s stat /* stat struct */
#define flac_fstat fstat
#endif

#ifdef ANDROID
#include <limits.h>
#endif

#ifndef M_LN2
#define M_LN2 0.69314718055994530942
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif

/*  FLAC needs to compile and work correctly on systems with a normal ISO C99
    snprintf as well as Microsoft Visual Studio which has an non-standards
    conformant snprint_s function.

    This function wraps the MS version to behave more like the ISO version.
*/
#include <stdarg.h>
#ifdef __cplusplus
extern "C" {
#endif
int flac_snprintf(char *str, size_t size, const char *fmt, ...);
int flac_vsnprintf(char *str, size_t size, const char *fmt, va_list va);
#ifdef __cplusplus
};
#endif

#endif /* FLAC__SHARE__COMPAT_H */
